diff --git a/core/types/state_account.go b/core/types/state_account.go
index 52ef843b35..81a0c3c025 100644
--- a/core/types/state_account.go
+++ b/core/types/state_account.go
@@ -18,6 +18,7 @@ package types
 
 import (
 	"bytes"
+	"fmt"
 
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/rlp"
@@ -87,6 +88,17 @@ func SlimAccountRLP(account StateAccount) []byte {
 	return data
 }
 
+func FullToSlimAccountRLP(data []byte) []byte {
+	if data == nil {
+		return nil
+	}
+	var account StateAccount
+	if err := rlp.DecodeBytes(data, &account); err != nil {
+		panic(fmt.Sprintf("full to slim account rlp failed, err %v", err))
+	}
+	return SlimAccountRLP(account)
+}
+
 // FullAccount decodes the data on the 'slim RLP' format and returns
 // the consensus format account.
 func FullAccount(data []byte) (*StateAccount, error) {
@@ -119,3 +131,14 @@ func FullAccountRLP(data []byte) ([]byte, error) {
 	}
 	return rlp.EncodeToBytes(account)
 }
+
+func MustFullAccountRLP(data []byte) []byte {
+	if data == nil {
+		return nil
+	}
+	val, err := FullAccountRLP(data)
+	if err != nil {
+		panic(fmt.Sprintf("must full account rlp faield, err %v", err))
+	}
+	return val
+}
diff --git a/triedb/pathdb/asyncnodebuffer.go b/triedb/pathdb/asyncnodebuffer.go
index dfae9cdbe3..67d92f082e 100644
--- a/triedb/pathdb/asyncnodebuffer.go
+++ b/triedb/pathdb/asyncnodebuffer.go
@@ -7,6 +7,7 @@ import (
 	"sync/atomic"
 	"time"
 
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/trie/triestate"
 
 	"github.com/ethereum/go-ethereum/common"
@@ -449,7 +450,7 @@ func (nc *nodecache) flush(db ethdb.KeyValueStore, clean *cleanCache, id uint64)
 		clean.plainStorages.Reset()
 	}
 	for h, acc := range nc.LatestAccounts {
-		clean.plainAccounts.Set(h.Bytes(), acc)
+		clean.plainAccounts.Set(h.Bytes(), types.FullToSlimAccountRLP(acc))
 	}
 
 	for h, storages := range nc.LatestStorages {
diff --git a/triedb/pathdb/disklayer.go b/triedb/pathdb/disklayer.go
index 28a550bf4f..0c1d6a6376 100644
--- a/triedb/pathdb/disklayer.go
+++ b/triedb/pathdb/disklayer.go
@@ -27,6 +27,7 @@ import (
 	"github.com/VictoriaMetrics/fastcache"
 	"github.com/ethereum/go-ethereum/common"
 	"github.com/ethereum/go-ethereum/core/rawdb"
+	"github.com/ethereum/go-ethereum/core/types"
 	"github.com/ethereum/go-ethereum/crypto"
 	"github.com/ethereum/go-ethereum/ethdb"
 	"github.com/ethereum/go-ethereum/log"
@@ -127,11 +128,14 @@ func newDiskLayer(root common.Hash, id uint64, db *Database, cleans *cleanCache,
 	// the original disk layer).
 	if cleans == nil && db.config.CleanCacheSize != 0 {
 		cleans = &cleanCache{}
-		cleans.nodes = fastcache.New(db.config.CleanCacheSize * 1 / 2)
-		cleans.plainAccounts = fastcache.New(db.config.CleanCacheSize * 1 / 4)
-		cleans.plainStorages = fastcache.New(db.config.CleanCacheSize * 1 / 4)
-		log.Info("Allocate clean cache in disklayer", "nodes", common.StorageSize(db.config.CleanCacheSize*1/2),
-			"plainAccount", common.StorageSize(db.config.CleanCacheSize*1/4), "plainStorage", common.StorageSize(db.config.CleanCacheSize*1/4))
+		nodeCacheSize := db.config.CleanCacheSize * 42 / 100
+		plainAccountsCacheSize := db.config.CleanCacheSize * 58 / 100 * 1 / 4
+		plainStoragesCacheSize := db.config.CleanCacheSize * 58 / 100 * 3 / 4
+		cleans.nodes = fastcache.New(nodeCacheSize)
+		cleans.plainAccounts = fastcache.New(plainAccountsCacheSize)
+		cleans.plainStorages = fastcache.New(plainStoragesCacheSize)
+		log.Info("Allocate clean cache in disklayer", "nodes", common.StorageSize(nodeCacheSize),
+			"plainAccount", common.StorageSize(plainAccountsCacheSize), "plainStorage", common.StorageSize(plainStoragesCacheSize))
 	}
 	return &diskLayer{
 		root:   root,
@@ -189,11 +193,11 @@ func (dl *diskLayer) Account(hash common.Hash) ([]byte, error) {
 	}
 
 	if data, ok := dl.cleans.plainAccounts.HasGet(nil, hash.Bytes()); ok {
-		return data, nil
+		return types.MustFullAccountRLP(data), nil
 	}
 
 	blob := dl.readAccountTrie(hash)
-	dl.cleans.plainAccounts.Set(hash.Bytes(), blob)
+	dl.cleans.plainAccounts.Set(hash.Bytes(), types.FullToSlimAccountRLP(blob))
 	return blob, nil
 }